Iowa State University Veterinarian Records, RS 22/6/0/9, University Archives, Special Collections Department, Iowa State University, http://www.add.lib.iastate.edu/spcl/arch/rgrp/22-6-0-9.html
On Jan. 25, 1959, a two and one half year-old female boxer was admitted to the Stange Memorial Clinic. The history given by the client was that the dog had whelped shortly after Christmas, 1958, with no noticeable complications. The dog seemed normal until 10 days before she was brought to 'the clinic for examination. The first symptoms noticed by the owner were bloating and abdominal distention. The 'bloating became continuously worse. Other symptoms shown were partial anorexia, swollen labia, vulvar discharge, and a temperature of 102.8° F. Urination and defecation were reported to be normal and the dog had not vomited.
"Rupture of the Uterus in a Bitch,"
Iowa State University Veterinarian: Vol. 21
, Article 12.
Available at: https://lib.dr.iastate.edu/iowastate_veterinarian/vol21/iss3/12